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All results from a given calculation for CH3F (Methyl fluoride)

using model chemistry: CISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-139.407942
Energy at 298.15K-139.410983
HF Energy-139.072587
Nuclear repulsion energy37.500330
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CISD/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3115 2882 27.55      
2 A1 1562 1446 5.20      
3 A1 1126 1042 105.88      
4 E 3204 2965 46.04      
4 E 3204 2965 46.04      
5 E 1559 1442 3.57      
5 E 1559 1442 3.57      
6 E 1247 1153 1.55      
6 E 1247 1153 1.55      

Unscaled Zero Point Vibrational Energy (zpe) 8910.6 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 8245.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CISD/6-311G*
ABC
5.25388 0.86559 0.86559

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.629
F2 0.000 0.000 0.747
H3 0.000 1.030 -0.982
H4 0.892 -0.515 -0.982
H5 -0.892 -0.515 -0.982

Atom - Atom Distances (Å)
  C1 F2 H3 H4 H5
C11.37611.08901.08901.0890
F21.37612.01282.01282.0128
H31.08902.01281.78431.7843
H41.08902.01281.78431.7843
H51.08902.01281.78431.7843

picture of Methyl fluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 H3 108.923 F2 C1 H4 108.923
F2 C1 H5 108.923 H3 C1 H4 110.014
H3 C1 H5 110.014 H4 C1 H5 110.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability